1. Liver and Pancreatobiliary Diseases Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences
2. Department of Biology, School of Computer, Mathematical, and Natural Sciences, Morgan State University, Baltimore, Maryland
3. Digestive Oncology Research Center, Digestive Diseases Research Institute, Tehran UMS, Tehran, Iran
4. Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
5. Department of Health Sciences Education Development, School of Public Health, Tehran UMS, Tehran, Iran
6. Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Shahid Beheshti UMS, Tehran, Iran
7. Liver and Gastrointestinal Diseases Research Center, Tabriz UMS, Tabriz, Iran
8. Department of Gastroenterology, Gastrointestinal and Liver Diseases Research Center, Guilan UMS, Rasht, Iran
9. Research Center for Environmental Determinants of Health, School of Public Health, Kermanshah UMS, Kermanshah, Iran
10. Noncommunicable Diseases Research Center, Fasa UMS, Fasa, Iran
11. Department of Occupational Medicine, Faculty of Medicine, Shahid Sadoughi UMS, Yazd, Iran
12. Health Promotion Research Center, Zahedan UMS, Zahedan, Iran
13. School of Public Health and Health Sciences Research Center, Mazandaran UMS, Sari, Iran
14. Department of Cardiology, School of Medicine, Rafsanjan UMS, Rafsanjan, Iran
15. Department of Epidemiology, School of Health, Shiraz UMS, Shiraz, Iran
16. Department of Otolaryngology, Head and Neck Surgery, Hearing and Speech Research Center, Ahvaz Jundishapur UMS, Ahvaz, Iran
17. Eye Research Center, Farabi Eye Hospital, Tehran UMS, Tehran, Iran
18. Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-Communicable Diseases, Isfahan UMS, Isfahan, Iran
19. Iranian National Center for Addiction Studies, Tehran UMS, Tehran, Iran
20. Department of Statistics and Epidemiology, Faculty of Health Sciences, Tabriz UMS, Tabriz, Iran
21. Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, New York